Female urine is red. Why?

If the urine of female patients is red, it is considered to be caused by the following reasons: first, it should be considered to be caused by urinary system infection and other reasons. If the patient has urethritis and other diseases, due to inflammation invading the urethral mucosa, it will cause the urethral mucosa to show damage, so it shows hematuria symptoms. Second, it should be considered to be urinary system tumor and other reasons. If the tumor site shows mucosal damage, it will also cause this situation. Third, consider that it is caused by food factors, such as patients eat too much food containing red pigment, including pitaya, watermelon and other fruits, or rifampicin and other drugs will also cause red urine. It is recommended that the patient's urine is red, and urine routine examination should be carried out first to determine whether red blood cells exist in the urine. According to the examination results, the corresponding method is used under the guidance of the doctor.